Pack or skip
Packable down jacket for Harrison in December
Verdict
Pack it
Lows around 32°F — the packable puffer covers 90% of layering needs.
Why
Harrison in December averages highs of 45°F, lows of 32°F, 10 rainy days.
That climate means a packable down jacket earns its space in the bag. Lows around 32°F — the packable puffer covers 90% of layering needs.